Talen 772 till 778 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 772 | = | DCCLXXII | = | 500 + 100 + 100 + 50 + 10 + 10 + 1 + 1 |
| 773 | = | DCCLXXIII | = | 500 + 100 + 100 + 50 + 10 + 10 + 1 + 1 + 1 |
| 774 | = | DCCLXXIV | = | 500 + 100 + 100 + 50 + 10 + 10 + 5 − 1 |
| 775 | = | DCCLXXV | = | 500 + 100 + 100 + 50 + 10 + 10 + 5 |
| 776 | = | DCCLXXVI | = | 500 + 100 + 100 + 50 + 10 + 10 + 5 + 1 |
| 777 | = | DCCLXXVII | = | 500 + 100 + 100 + 50 + 10 + 10 + 5 + 1 + 1 |
| 778 | = | DCCLXXVIII | = | 500 + 100 + 100 + 50 + 10 + 10 + 5 + 1 + 1 + 1 |